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The Fish-Man District was part of Ryugu Kingdom that was notorious for being one of the tougher parts of Fish-Man Island. It was closed off entirely after the events caused by the New Fish-Man Pirates and Flying Pirates.[2]


In the beginning, it was a giant institution for orphaned children. But eventually it was unsettled and therefore the institution became a lawless district where the outcasts of Fish-Man Island gathered. Fisher Tiger eventually declared himself the boss of the location, and protected his fellow fish-men within the area.[3] The zone consisted of a massive ark where fish-men lived in and around. This was the base of the New Fish-Man Pirates. The Fish-Man District was not part of Fish-Man Island but was located somewhere outside it since Vander Decken IX said he sent the ship on a course to Fish-Man Island while they where already in the Fish-Man District.

The giant ship seen in the district, Noah, is hundreds of years old and awaits the promised day when it will be used for the purpose it was build for.[3] The ship left the district when Decken returned to it and locked it onto Shirahoshi.

After the battle for Fish-Man Island had ended, Neptune realized how long they overlooked the criminals that lived in the Fish-Man District. The king then orders the Fish-Man District to be closed off.[2]


  1. One Piece Manga and Anime — Vol. 62 Chapter 608 (p. 17) and Episode 527, Fish-Man District made its debut.
  2. 2.0 2.1 One Piece Manga and Anime — Vol. 66 Chapter 649 (p. 5 & 9) and Episode 569, Neptune officially closes off the Fish-Man District.
  3. 3.0 3.1 One Piece Manga and Anime — Vol. 63 Chapter 621 (p. 18) and Episode 540, Jinbe explains about Tiger declaring the district his territory, and Noah's purpose.

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